Multilingual translation of the Functional Assessment of Cancer Therapy (FACT) quality of life measurement system |
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Authors: | A. E. Bonomi D. F. Cella E. A. Hahn K. Bjordal B. Sperner-Unterweger L. Gangeri B. Bergman J. Willems-Groot P. Hanquet R. Zittoun |
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Affiliation: | (1) School of Public Health and Community Medicine, University of Washington, Seattle, WA, USA;(2) Rush-Presbyterian-St. Luke's Medical Center, Rush Cancer Institute, Chicago, IL, USA;(3) Norwegian Radium Hospital, Oslo, Norway;(4) University of Innsbruck, Innsbruck, Austria;(5) Instituto Nazionale dei Tumori, Milan, Italy;(6) Sahlgrenska University Hospital, Goteberg, Sweden;(7) Department of Medical Psychology, University of Amsterdam, Amsterdam, The Netherlands;(8) Hotel-Dieu, Paris, France |
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Abstract: | There is need for multilingual cross-culturally valid quality of life (QOL) instrumentation to assess the QOL endpoint in international oncology clinical trials. We therefore initiated a multilingual translation of the Functional Assessment of Cancer Therapy (FACT) Quality of Life Measurement System (Version 3) into the following languages: Dutch, French, German, Italian, Norwegian and Swedish. Prior to this project, the FACT Measurement System was available in English, Spanish and Canadian French. The FACT is a self-report instrument which measures multidimensional QOL. The FACT (Version 3) evaluation system uses a 29–49 item compilation of a generic core (29 Likert-type items) and numerous subscales (9–20 items each) which reflect symptoms associated with different diseases, symptom complexes and treatments. The FACT-G (general version) and eight of 18 available cancer-related subscales were translated using an iterative forward-backward translation sequence. After subsequent review by 21 bilingual health professionals, all near final language versions underwent pretesting with a total of 95 patients in the native countries. Available results indicate good overall comprehensibility among native language-speakers. Equivalent foreign language versions of the FACT will permit QOL evaluation of people from diverse cultural backgrounds.Supported by grants from Amgen Incorporated, Bristol-Myers Squibb Company, Eli Lilly International Corporation, Rhone-Poulenc Rorer Pharmaceuticals Incorporated and Sandoz Pharmaceuticals. |
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Keywords: | Cross-cultural methodology quality of life assessment translation |
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